geom_point(aes(color = species, shape = species), size = 3, alpha = 0.8) + labs( title = "Penguin size, Palmer Station LTER", subtitle = "Flipper length and body mass for Adelie, Chinstrap and Gentoo Penguins", x = "Flipper length (mm)", y = "Body mass (g)", color = "Penguin species", shape = "Penguin species" ) + scale_color_manual ( values = c("darkorange", "purple", “cyan4”)) + theme_minimal() + theme ( legend.position = c(0.2, 0.7) , legend.background = element_rect ( fill = "white", color = N A ) )